FVXX21 KWBC 110800 VOLCANIC ASH ADVISORY ISSUED 0800 UTC 11 SEP 2000 BY THE WASHINGTON VAAC . TUNGURAHUA 00-1063 ECUADOR 0128S 7826W . BACKGROUND: TUNGURAHUA ECUADOR (1502-08) SUMMIT HEIGHT 16480 FT (5023 M) . SOURCES OF INFORMATION: INFRARED AND MULTISPECTRAL IMAGERY. WIND FORECAST FROM THE AVIATION MODEL. GEOPHYSICAL INSTITUTE IN QUITO. . ERUPTION DETAILS: STEAM AND ASH EMISSIONS. . DETAILS OF ASH: SATELLITE IMAGERY THROUGH 0715 UTC SHOWED THUNDERSTORMS OVER THE VOLCANO AND SURROUNDING VICINITY. THE GEOPHYSICAL INSTITUTE REPORTED ASH TO FL260 AT 0134 UTC. . TRAJECTORY: ANY ASH UP TO FL260 WOULD MOVE TOWARDS THE SOUTHWEST AT 15 TO 25 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT MESSAGE WILL BE ISSUED BY 11/1400 UTC. . REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWER CASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . TURK . NNNN